The causes of low-grade fever include infections and conditions such as leukemia, Crohn's disease, pulmonary embolism, rheumatoid arthritis and vasculitis, according to Healthgrades. The condition can also occur as a sid... More » Health Conditions & Diseases Cold & Flu

The most frequent causes of fevers are the common cold and stomach flu, but a wide range of conditions can cause fevers, according to WebMD. Some possible contributors are viral or bacterial infections, blood clots, and ... More » Health Pain & Symptoms

Known causes of fever in children include viral infections, overdressing and immunizations, according to KidsHealth. A fever is a symptom of an underlying condition, not an illness itself. More » Health Pain & Symptoms

Dental conditions, temporomandibular joint disorder, neuralgia and rheumatoid arthritis may cause jaw pain, states Healthgrades. Arthritis of the jaw, a sinus infection, a hole in the ear or a tooth infection may result ... More »

Symptoms of the type B flu include runny nose, sore throat, fever, watery eyes, joint pain, red skin and loss of appetite, according to Right Diagnosis from Healthgrades. Secondary complications may come in the form of p... More » Health Conditions & Diseases Cold & Flu

Probable causes of a knee lump include chronic inflammatory conditions, local infections and bone or soft tissue tumors, according to Healthgrades. Lumps can be single or multiple, and they can quickly grow or stay the s... More »

Possible causes of itchy eyelids, which are often accompanied by redness or swelling, include allergies, infections, sleep deprivation and other conditions that irritate or infect the eyelid, according to Healthgrades. T... More » Health Conditions & Diseases